body{
    background-color: lightgray;
    margin: 0 auto;
    width: 80%;
}

h2, h3, h4{
    text-align: center;
}

form{
    text-align: center;
}

footer{
    color: black;
    font-family: fantasy, Verdana, Times;
    font-weight: 600;
    padding: 9px;
    text-align: center;
}

input{
    font-family: 'Lucida Grande', Tahoma, Verdana, sans-serif;
    font-size: 14px;
}

input[type=text]:focus, input[type=password]:focus{
    border-color: #7dc9e2;
    outline-color: #dceefc;
    outline-offset: 0;
}

table{
    border: 2px solid #389135;
    border-collapse: collapse;
    margin: 0 auto;
    width: 80%;
}

td, th{
    border: 1px solid #389155;
}

th{
    background-color: #111111;
    color: white;
}

.buttons_row{
    display: inline-block;
    text-align: center;
    width: 100%;
}

.error_message{
    color: red;
    font-weight: 700;
    text-align: center;
}
